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Thread: LowTA

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    LowTA

    My TA is now measuring "low" I have been using the ColorQ for two years now and I have a SWG and a spillover spa. I add about 1/3 gallon of acid to my 14,500 Gallon pool every week. I also have about 50 ppm Borates in the pool.

    When I first put the Borates in last year my TA registered at around 90. Just about every week my PH drifts up to 7.9 and I add @ 1/3 gallon of 31% acid to bring it to around 7.5. My TA has been dropping each tim ebut now doesn't register. What problems can a low TA cause ?


    Thanks is advance ,

    Don
    14,500 inground gunite
    7' connected spa with overflow waterfall
    Goldline salt water chlorine generator
    Hayward 4 cartridge filter
    Hayward 400K heater
    Completed January 07

  2. Back To Top    #2
    JasonLion's Avatar
    Join Date
    May 2007
    Location
    Silver Spring, MD
    Posts
    37,887

    Re: LowTA

    You don't want TA to be below 50 at the lowest. Low TA levels allow the PH to change too easily, which usually means that the PH goes out of range high or low every time you add some chemical. Having borates in the pool will moderate the PH changes to some extent, so it probably isn't that bad, but you should still raise TA to at least 50.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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